80791480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1589

約数の個数: 128

約数和(自身を含む): 240122880

約数和(自身を除く): 159331400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1496, 1540, 1543, 1870, 2380, 2618, 3080, 3086, 3740, 4760, 5236, 6172, 6545, 7480, 7715, 10472, 10801, 12344, 13090, 15430, 16973, 21602, 26180, 26231, 30860, 33946, 43204, 52360, 52462, 54005, 61720, 67892, 84865, 86408, 104924, 108010, 118811, 131155, 135784, 169730, 183617, 209848, 216020, 237622, 262310, 288541, 339460, 367234, 432040, 475244, 524620, 577082, 594055, 678920, 734468, 918085, 950488, 1049240, 1154164, 1188110, 1442705, 1468936, 1836170, 2019787, 2308328, 2376220, 2885410, 3672340, 4039574, 4752440, 5770820, 7344680, 8079148, 10098935, 11541640, 16158296, 20197870, 40395740, 80791480]

約数ペア:

[(1, 80791480), (2, 40395740), (4, 20197870), (5, 16158296), (7, 11541640), (8, 10098935), (10, 8079148), (11, 7344680), (14, 5770820), (17, 4752440), (20, 4039574), (22, 3672340), (28, 2885410), (34, 2376220), (35, 2308328), (40, 2019787), (44, 1836170), (55, 1468936), (56, 1442705), (68, 1188110), (70, 1154164), (77, 1049240), (85, 950488), (88, 918085), (110, 734468), (119, 678920), (136, 594055), (140, 577082), (154, 524620), (170, 475244), (187, 432040), (220, 367234), (238, 339460), (280, 288541), (308, 262310), (340, 237622), (374, 216020), (385, 209848), (440, 183617), (476, 169730), (595, 135784), (616, 131155), (680, 118811), (748, 108010), (770, 104924), (935, 86408), (952, 84865), (1190, 67892), (1309, 61720), (1496, 54005), (1540, 52462), (1543, 52360), (1870, 43204), (2380, 33946), (2618, 30860), (3080, 26231), (3086, 26180), (3740, 21602), (4760, 16973), (5236, 15430), (6172, 13090), (6545, 12344), (7480, 10801), (7715, 10472)]